These MRI images show a cross-section of the quadriceps. The white ring around the outside of the muscle is fat.
Proof that through exercise you can preserve muscle mass and strength as you age.

These MRI images show a cross-section of the quadriceps. The white ring around the outside of the muscle is fat.

Proof that through exercise you can preserve muscle mass and strength as you age.

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    This is a brain MRI as someone dies…
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